import type { Message, MessageOptions, SystemEvent } from "../../shared/shared-types.js";
import { type ServerContext, type ServiceResult } from "../context.js";
import type { PreparedEvent } from "../subscriptions.js";
export declare function buildMessage(participantId: string, conversationId: string, text: string, options: MessageOptions | undefined, systemEvent: SystemEvent | null, createdAt?: Date): Message;
export declare function sendMessage(ctx: ServerContext, participantId: string, conversationId: string, text: string, options?: MessageOptions): Promise<ServiceResult<string>>;
export declare function editMessage(ctx: ServerContext, participantId: string, messageId: string, text: string): Promise<ServiceResult<void>>;
export declare function deleteMessage(ctx: ServerContext, participantId: string, messageId: string): Promise<ServiceResult<void>>;
export declare function addReaction(ctx: ServerContext, participantId: string, messageId: string, content: string): Promise<ServiceResult<string>>;
export declare function removeReaction(ctx: ServerContext, participantId: string, reactionId: string): Promise<ServiceResult<void>>;
export declare function internalSendMessage(ctx: ServerContext, conversationId: string, participantId: string, text: string, options?: MessageOptions, systemEvent?: SystemEvent, createdAt?: Date): Promise<ServiceResult<string> & {
    events: PreparedEvent[][];
}>;
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